Active · per the CBE, 30 October 2026
ATELIER B 4 logo

ATELIER B 4

BE0434779833

Rechtspersoon Cooperative company 1 establishment

ATELIER B 4 is an architecture firm in Wavre. Cooperative, started on 15 July 1988, 1 establishment.

Avenue Vanpée 13, 1300 Wavre atelierb4.be 010/224350 [email protected]

Active for

38 year, 3 months

Warning lights

Signals from the annual accounts, the CBE and the Official Gazette, each with its threshold and source. No score, no verdict.

  • Two loss years in a row NBB

    Negative result in 2024 and 2025.

Financials

Financial year 2025

ATELIER B 4 from Wavre, company number BE0434779833, closed financial year 2025 with a result of € -7,696 after tax. For that financial year ATELIER B 4 recorded a gross margin of € -6,233 and equity of € 27,445. Compared with financial year 2024, the result moved from € -8,230 to € -7,696. The company made a loss. The company holds a healthy buffer. Debts are under control. The most recent annual accounts were filed with the National Bank of Belgium on February 4, 2026.

What it is worth Healthy

€ 27,445

▼ 22% vs 2024

Assets minus debts, by the books. What is left if everything were sold and paid today.

Loss Caution

€ -7,696

▲ 6 % less loss than in 2024

Profit after tax over the fiscal year.

Where the profit goes Caution

Loss, nothing to pay out

Reserves fell to € 8,853.

Debts at end 2025

Bank debt

€ 10,213

▲ 33% vs 2024

Loans from banks and other lenders, long and short.

Owed to suppliers

€ 5,379

▼ 69% vs 2024

Supplier invoices still open on the last day of the fiscal year.

Taxes and wages

€ 10,779

▼ 43% vs 2024

Taxes, VAT and social contributions still to pay.

Key figures per fiscal year Download key figures (CSV)
2022202320242025Change 2024 → 2025
Gross margin € 18,821 € 7,319 € -7,109 € -6,233 ▲ € 875
Profit after taxes € 2,532 € 3,024 € -8,230 € -7,696 ▲ € 534
Equity € 40,347 € 43,371 € 35,141 € 27,445 ▼ 22%
Total debts € 135,994 € 155,825 € 135,832 € 138,707 ▲ 2%
Cash € 22,319 € 4,697 - -
Retained profit € 21,755 € 24,779 € 16,549 € 8,853 ▼ 47%
Bank debt € 10,700 € 0 € 7,707 € 10,213 ▲ 33%
Balance sheet total € 176,340 € 199,196 € 170,973 € 166,152 ▼ 3%

Key figures of ATELIER B 4, fiscal years 2022 to 2025, from the annual accounts filed with the National Bank of Belgium.Next annual account (fiscal year 2026) expected before 30 January 2027.

What happened to ATELIER B 4?

What happened at ATELIER B 4 in recent years, according to the Belgian Official Gazette, the CBE and the National Bank:

  • New annual accounts for financial year 2025: loss of € 7,696. filed late Source: NBB ↗
  • Colette Detry stepped down as director. NBB
  • Quentin Bruynseels stepped down as director. NBB
  • Eddy Bruynseels stepped down as director. NBB
  • New establishment in Wavre. KBO
  • Start of the company according to the CBE. KBO

In short

From € 2,532 profit in 2022 to € 7,696 loss in 2025.

Paid € 2,297 in corporate taxes since 2022.

Best year ever: 2023, with € 3,024 profit.

Management

Directors

According to the 2025 annual accounts

Colette Detry

Director

· until 2023

Quentin Bruynseels

Director

· until 2023

Eddy Bruynseels

Director

Also active at: BATI-PASS, PERFORMANCE BASSE-ENERGIE CONSTRUCTION

· until 2023

Establishments

Establishment units

Physical locations of this company

Registered office

Avenue Vanpée 13

1300 Wavre

Who else lives here?

A building full of entrepreneurs or one very busy letterbox? Another 1 companies are registered at this address.

All companies at this address →

What is an establishment unit? An establishment unit is a geographically identifiable place where activities of the enterprise are carried out.

Website

Technologies

Font AwesomeGoogle FontsNginx

Hosting & Email

Email provider

OVH Mail

Hosting

OVH, FR

DNS

OVH DNS

Website info

HTTPS Nee
Languages FR

Features

Client portal Contact page

Security

✗ HTTPS
✓ SPF
✗ DMARC

Details

Company number
0434.779.833
VAT number
BE 0434.779.833
Registered office
Avenue Vanpée 13, 1300 Wavre
Names & denominations
ATELIER B 4
Enterprise type
Rechtspersoon
Legal form
Cooperative company
Legal situation
Normale toestand
Start date
15 July 1988
Peppol
Active · Active since 8 Jan 2026
Activities · NACE

Activiteiten van bouwarchitecten

Architecten

Frequently asked questions

What does ATELIER B 4 do?
ATELIER B 4 is an architecture firm in Wavre. Cooperative, started on 15 July 1988, 1 establishment.
What is the address of ATELIER B 4?
The registered office of ATELIER B 4 is located at Avenue Vanpée 13, 1300 Wavre.
Is ATELIER B 4 still active?
Yes. According to the CBE (30 October 2026) ATELIER B 4 is active, legal situation “Normale toestand”, started on 15 July 1988.
Is ATELIER B 4 registered on Peppol?
Yes, ATELIER B 4 is registered on the Peppol network with ID 0208:0434779833.
What is the enterprise number of ATELIER B 4?
The enterprise number of ATELIER B 4 is BE0434779833.
When was ATELIER B 4 founded?
ATELIER B 4 was founded on 15 July 1988.